We find this circuit in an Electronics Now. The indication of the logic level is done on a 7-segment display according to the connections given in the diagram.
This circuit that uses potentiometer tuning, was found in a documentation from the 80's. The...
Another electronic ignition circuit for cars with positive ground. This circuit is from a Radio...
The MC4741 integrated circuit consists of four operational amplifiers similar to the 741 in a...